I: Economic Theory and Social Problems; I: The Socializing of the Oretical EConomics; II: To Ward a Concept of Social Value; III: The Changing Basis of Economic Responsibility; IV: Economics and Modern Psychology; V: Adam Smith and the Currents of History; VI: The Relation Between Statics and Dynamics; VII: Long-Range Planning for the Regularization of Industry; II: Dynamics of the Economic Mechanism; VIII: A Contribution to the Theory of Competitive Price; IX: Inductive Evidence on Marginal Productivity; X: Business Acceleration and the Law of Demand: A Technical Factor in Economic Cycles; XI: Productive Capacity and Effective Demand; XII: Aggregate Spending by Public Works; XIII: Wesley C. Mitchell’s Contri-Bution to the Theory of Business Cycles; XIV: Past Accomplishments and Present Prospects of American Economics